Having struggled with the decision to go to compact cranks or not, it is interesting to see that Campagnolo have released a 52/36 chainring combination.
I currently ride a groupset with 52/39 chainrings and 12-21 rear sprockets, the dilemma I have is that the 39/21 combination is, on occasion, not a small enough gear for some climbs in Adelaide (e.g. Coachhouse Drive). I have considered moving to a compact crank but have had concerns that, for the majority of the time, the small chainring is would be redundant and the 50/12 combination wouldn't be a big enough gear at times (Not that there is a huge difference in rollout between a 52 and 50 tooth chainring).
This new configuration would seem to solve some of these concerns, it'll be interesting to see if this format takes off.
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Thanks for the link Tim, I'll email them and see what they say.
Unfortunately, from the description, it looks like it may be the 9sp mk 2. The features mention that the sprockets will fill 9 and 10 speed hubs, the mk 2 version did that but not the mk 1.
Permalink Reply by Tim B on June 20, 2012 at 17:26
Permalink Reply by durian rider on June 27, 2012 at 8:39 Ive riden all the Rdelaide bergs in the 39/21. Im just faster in the 34/ 25/27 as you legs don't lactate up as much.
Its all about cadence and what you work best at. If you want to know what gear combinations work best for you get a power tap, calibrate it and off you go. Having macho gears that force a low cadence on the climbs just means your losing performance when one is chasing UCI points on Corkscrew etc.
Permalink Reply by Paul Rushton on June 20, 2012 at 17:40 The Specialized Tarmac I recently bought runs a 52-36 chanring,11-28 cassette. Specialized called it a mid compact.
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